Finding the Fourth Proportional to 169,211.19, 253,638.18 and 56,784.81
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Solution
The fourth proportional to 169,211.19, 253,638.18 and 56,784.81 is: 85,117.28
Step by Step Solution
- Step 1: Write the proportion equation
169,211.19 : 253,638.18 = 56,784.81 : x - Step 2: Convert to fraction form
169,211.19/253,638.18 = 56,784.81/x - Step 3: Cross multiply
169,211.19x = 253,638.18 × 56,784.81 - Step 4: Simplify right side
169,211.19x = 14,402,795,860.05 - Step 5: Solve for x
x = 14,402,795,860.05/169,211.19 - Step 6: Final answer
x = 85,117.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.